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Popular >

expand (b-2)^2

Solution

expand

(b - 2)^{2}

Solution

b^{2} - 4 b + 4

Solution steps

(b - 2)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(b - 2)^{2} = b^{2} - 2 b \cdot 2 + 2^{2}

= b^{2} - 2 b \cdot 2 + 2^{2}

Simplify

b^{2} - 2 b \cdot 2 + 2^{2} : b^{2} - 4 b + 4

= b^{2} - 4 b + 4

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Frequently Asked Questions (FAQ)

What is expand (b-2)^2 ?
The solution to expand (b-2)^2 is b^2-4b+4